<template>
    <div class="app-container">
      <el-form :inline="true" class="demo-form-inline">
        <el-form-item>
          <el-input v-model="searchObj.name" placeholder="讲师名"/>
        </el-form-item>
        <el-form-item>
          <el-select v-model="searchObj.level" clearable placeholder="讲师头衔">
            <el-option :value="1" label="高级讲师"/>
            <el-option :value="2" label="首席讲师"/>
          </el-select>
        </el-form-item>
        <el-form-item label="添加时间">
          <el-date-picker
            v-model="searchObj.begin"
            type="datetime"
            placeholder="选择开始时间"
            value-format="yyyy-MM-dd HH:mm:ss"
            default-time="00:00:00"
          />
        </el-form-item>
        <el-form-item>
          <el-date-picker
            v-model="searchObj.end"
            type="datetime"
            placeholder="选择截止时间"
            value-format="yyyy-MM-dd HH:mm:ss"
            default-time="00:00:00"
          />
        </el-form-item>
        <el-button type="primary" icon="el-icon-search" @click="fetchData()">查询</el-button>
        <el-button type="default" @click="resetData()">清空</el-button>
      </el-form>
      <el-table
        v-loading="listLoading"
        :data="list"
        element-loading-text="数据加载中"
        border
        fit
        highlight-current-row>
        <el-table-column
          label="序号"
          width="70"
          align="center">
          <template slot-scope="scope">
            {{ (page - 1) * limit + scope.$index + 1 }}
          </template>
        </el-table-column>
        <el-table-column prop="name" label="名称" width="80" />
        <el-table-column prop="number" label="教工号" />
        <el-table-column prop="academy" label="学院" />
        <el-table-column label="头衔" width="80">
          <template slot-scope="scope"><!--scope 范围   === 判断类型和值  ==判断值 1 ‘1’  -->
            {{ scope.row.level===1?'高级讲师':'首席讲师' }}
          </template>
        </el-table-column>
        <el-table-column prop="intro" label="资历" />
        <el-table-column prop="gmtCreate" label="添加时间" width="160"/>
        <el-table-column prop="sort" label="排序" width="60" />
        <el-table-column label="操作" width="200" align="center">
          <template slot-scope="scope">
            <router-link :to="'/teacher/add/'+scope.row.id">
              <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
            </router-link>
            <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        :current-page="page"
        :page-size="limit"
        :total="total"
        style="padding: 30px 0; text-align: center;"
        layout="total, prev, pager, next, jumper"
        @current-change="fetchData"
      />
    </div>
</template>

<script>
import teacher from "@/api/edu/teacher";
export default {
  name: "teacherList",
  data() {// 定义数据
    return {
      listLoading: true, // 是否显示loading信息
      list: null, // 数据列表
      total: 0, // 总记录数
      page: 1, // 页码
      limit: 8, // 每页记录数
      searchObj: {}// 查询条件
    }
  },
  created() { // 当页面加载时获取数据
    this.fetchData()
  },
  methods: {
    removeDataById(id) {
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        cancelButtonText: '取消',
        confirmButtonText: '确定',
        type: 'warning'
      }).then(() => {
        return teacher.removeById(id)
      }).then(() => {
        this.fetchData()
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      }).catch((response) => { // 失败
        if (response === 'cancel') {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        } else {
          this.$message({
            type: 'error',
            message: '删除失败'
          })
        }
      })
    },
    resetData() {
      this.searchObj = {}
      this.fetchData()
    },
    fetchData(page = 1) { // 调用api层获取数据库中的数据
      this.page = page
      this.listLoading = true
      teacher.getPageList(this.page, this.limit, this.searchObj).then(response => {
        // debugger 设置断点调试
        if (response.success === true) {
          this.list = response.data.rows
          this.total = response.data.total
        }
        this.listLoading = false
      }).catch(error=>{

      })
    }
  }
}
</script>

<style scoped>
</style>
